000 00424nam0a22001450004500
005 20170210184839.0
050 0 0 _aP 90
_bR57C 1991
100 1 _aL. David Ritchie
_948099
245 1 0 _aCommunication concepts 2 : information
260 _aNewbury Park:
_bSage,
_c1991
300 _aviii, 75 p
650 0 _aCOMMUNICATION
_936013
942 _cGEN
999 _c43985